3 Cowper Avenue, Sutton, SM1 3RD

3 Cowper Avenue is a three-bedroom mid-terrace house in Sutton (SM1 3RD). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (October 2020) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since September 2011. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78). Records show the property has been extended at some point in its history.

It hasn't traded since July 2003, a hold of 23 years that's notably long for the area. At 112 m² the property is well over the postcode median (79 m² across 25 EPCs), placing it in the larger end of the local stock. Across 1996–2003, sale prices on this property compounded at 12.9% per year. Today's modelled estimate of £514,000 sits 206.9% above the 2003 sale of £167,500. On a £-per-square-foot basis, the last sale (£139/sq ft) was about 47.4% below the postcode norm. One planning record on file: an extension approved in 2012. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.